Home / 64,564.55-96,846.86-20,191.53

Finding the Fourth Proportional to 64,564.55, 96,846.86 and 20,191.53

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Solution

The fourth proportional to 64,564.55, 96,846.86 and 20,191.53 is: 30,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,564.55 : 96,846.86 = 20,191.53 : x
  2. Step 2: Convert to fraction form
    64,564.55/96,846.86 = 20,191.53/x
  3. Step 3: Cross multiply
    64,564.55x = 96,846.86 × 20,191.53
  4. Step 4: Simplify right side
    64,564.55x = 1,955,486,279.10
  5. Step 5: Solve for x
    x = 1,955,486,279.10/64,564.55
  6. Step 6: Final answer
    x = 30,287.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.